10+ hour, 35+ min ago  (666+ words) These planets are as big as Jupiter and as dense as cotton candy Two newfound “superpuff” planets, illustrated orbiting a sunlike star over 1,000 light-years from Earth, are as big as Jupiter and as dense as cotton candy. A pair of…...

3+ mon, 2+ week ago  (618+ words) Science News The preflight safety checklist for a trip to outer space is long, basically from here to the moon. Everything must be just so, from the structural integrity of the spacecraft to the propellant efficiency to the in-flight environment,…...

7+ mon, 3+ week ago  (525+ words) After a tour on the International Space Station, most of the spores germinated back on Earth The moss species Physcomitrium patens (shown) is the latest organism to survive an extended stay in space. In an extraordinary display of biological resilience,…...